/* Página de abertura do FC Cockpit (31/10/2026): preto da Flight Class, a cabine em foto de ponta a ponta e
   tudo o que é comando ou cartão em vidro (liquid glass): translúcido, desfocado, com um filete de luz na
   borda de cima. Movimento só com transform e opacity; "menos movimento" desliga. */
@font-face { font-family: "Open Sauce Sans"; font-weight: 400; font-display: swap; src: url("https://cdn.jsdelivr.net/npm/@fontsource/open-sauce-sans@5.3.0/files/open-sauce-sans-latin-400-normal.woff") format("woff"); }
@font-face { font-family: "Open Sauce Sans"; font-weight: 600; font-display: swap; src: url("https://cdn.jsdelivr.net/npm/@fontsource/open-sauce-sans@5.3.0/files/open-sauce-sans-latin-600-normal.woff") format("woff"); }
@font-face { font-family: "Open Sauce Sans"; font-weight: 700; font-display: swap; src: url("https://cdn.jsdelivr.net/npm/@fontsource/open-sauce-sans@5.3.0/files/open-sauce-sans-latin-700-normal.woff") format("woff"); }

:root {
  --bg: #000;
  --ink: #f4f7fa;
  --muted: rgba(244, 247, 250, 0.68);
  --faint: rgba(244, 247, 250, 0.5);
  --line: rgba(255, 255, 255, 0.09);
  --blue: #38b6ff;
  /* azul dos botões com texto branco: 4,8:1 */
  --btn-blue: #0077c0;
  --btn-blue-hover: #006fb3;
  --glass-tint: rgba(18, 22, 29, 0.5);
  --glass-edge: rgba(255, 255, 255, 0.13);
  --glass-hi: rgba(255, 255, 255, 0.22);
  --glass-sheen: linear-gradient(180deg, rgba(255, 255, 255, 0.09), rgba(255, 255, 255, 0.015) 42%, rgba(255, 255, 255, 0));
  --glass-blur: blur(26px) saturate(1.8);
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  --font: "Open Sauce Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --avionic: "B612", "B612 Mono", ui-monospace, monospace;
  --gutter: clamp(16px, 5vw, 72px);
  color-scheme: dark;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 17px/1.55 var(--font); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; overflow-x: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; }
button { font: inherit; color: inherit; }
h1, h2, h3 { margin: 0; font-weight: 700; letter-spacing: -0.035em; line-height: 1; text-wrap: balance; }
h1 { font-size: clamp(2.7rem, 6.2vw, 5.8rem); letter-spacing: -0.045em; }
h2 { font-size: clamp(2.2rem, 5.6vw, 4.8rem); }
h3 { font-size: clamp(1.3rem, 2vw, 1.6rem); letter-spacing: -0.02em; line-height: 1.15; }
.lead { margin: 18px 0 0; max-width: 40ch; color: var(--muted); font-size: clamp(1.06rem, 1.7vw, 1.35rem); line-height: 1.45; text-wrap: pretty; }
.note { margin: 18px 0 0; color: var(--faint); font-size: 0.92rem; max-width: 40ch; }

/* vidro */
.glass-card, .nav, .btn.glass, .langs {
  background: var(--glass-sheen), var(--glass-tint);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-edge);
  box-shadow: inset 0 1px 0 var(--glass-hi), 0 24px 60px -30px rgba(0, 0, 0, 0.85);
}
.glass-card { border-radius: 26px; }

/* botões */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 44px; padding: 10px 22px; border: 0; border-radius: 999px; font-weight: 600; font-size: 1rem; text-decoration: none; cursor: pointer; transition: transform 0.18s var(--ease), background-color 0.2s, box-shadow 0.3s; }
.btn.big { min-height: 54px; padding: 14px 30px; font-size: 1.08rem; }
.btn.small { min-height: 38px; padding: 8px 18px; font-size: 0.92rem; }
.btn.wide { width: 100%; }
.btn.primary { background: linear-gradient(180deg, rgba(255, 255, 255, 0.17), rgba(255, 255, 255, 0) 60%), var(--btn-blue); color: #fff; box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.3), 0 14px 30px -16px rgba(0, 0, 0, 0.9); }
.btn.primary:hover { background: linear-gradient(180deg, rgba(255, 255, 255, 0.17), rgba(255, 255, 255, 0) 60%), var(--btn-blue-hover); }
.btn.glass { color: var(--ink); }
.btn.glass:hover { background: var(--glass-sheen), rgba(40, 46, 56, 0.6); }
.btn:active { transform: scale(0.97); }
.btn:focus-visible, .nav a:focus-visible, .langs button:focus-visible, .mcdu-photo button:focus-visible, summary:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

/* topo: um vidro só, flutuando; some ao descer e volta ao subir */
.nav { position: fixed; z-index: 50; top: 12px; left: 50%; width: min(1180px, calc(100% - 24px)); transform: translateX(-50%); display: flex; align-items: center; gap: 18px; padding: 8px 8px 8px 16px; border-radius: 999px; transition: transform 0.45s var(--ease), opacity 0.3s; }
.nav.away { transform: translate(-50%, calc(-100% - 24px)); }
.brand { display: inline-flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; margin-right: auto; }
.brand-wing { width: 32px; height: 32px; }
.brand-name { font-weight: 700; font-size: 1.12rem; letter-spacing: -0.02em; white-space: nowrap; }
.nav-links { display: flex; gap: 22px; }
.nav-links a, .nav-link { text-decoration: none; font-weight: 600; font-size: 0.95rem; color: var(--muted); transition: color 0.2s; white-space: nowrap; }
.nav-links a:hover, .nav-link:hover { color: var(--ink); }
.nav-right { display: flex; align-items: center; gap: 12px; }
.langs { display: inline-flex; gap: 2px; padding: 3px; border-radius: 999px; box-shadow: inset 0 1px 0 var(--glass-hi); }
.langs button { min-width: 36px; min-height: 30px; border: 0; border-radius: 999px; background: transparent; color: var(--muted); font-size: 0.78rem; font-weight: 600; cursor: pointer; }
.langs button[aria-pressed="true"] { background: rgba(255, 255, 255, 0.92); color: #0a0c10; }

/* ABERTURA: a câmera entra pelo para-brisa enquanto rola */
.hero { position: relative; height: 175vh; height: 175svh; }
.hero-stage { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; perspective: 900px; background: #6d8199; }
.hero-sky, .hero-cockpit { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 62%; will-change: transform; transform-origin: 50% 70%; }
.hero-sky { transform: scale(1.12); }
/* sombra só onde há texto: à esquerda e embaixo */
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0, 0, 0, 0.78) 0%, rgba(0, 0, 0, 0.45) 40%, rgba(0, 0, 0, 0) 70%), linear-gradient(0deg, rgba(0, 0, 0, 0.94) 0%, rgba(0, 0, 0, 0.5) 34%, rgba(0, 0, 0, 0) 62%); pointer-events: none; }
.hero-fade { position: absolute; inset: 0; background: #000; opacity: 0; pointer-events: none; }
.hero-copy { position: absolute; left: var(--gutter); right: var(--gutter); bottom: clamp(130px, 21vh, 220px); max-width: 980px; will-change: transform, opacity; }
.hero-copy h1 { text-shadow: 0 2px 40px rgba(0, 0, 0, 0.4); max-width: 12ch; }
.hero-copy .lead { max-width: 46ch; color: rgba(244, 247, 250, 0.82); }
.hero-by { display: flex; align-items: center; gap: 12px; margin: 0 0 22px; color: var(--muted); font-size: 0.95rem; font-weight: 600; }
.hero-by img { height: 44px; width: auto; }
.hero-note { margin: 16px 0 0; color: var(--faint); font-size: 0.92rem; }
.hero-copy > * { animation: rise-in 1.1s var(--ease) both; }
.hero-copy > :nth-child(2) { animation-delay: 0.12s; }
.hero-copy > :nth-child(3) { animation-delay: 0.24s; }
.hero-copy > :nth-child(4) { animation-delay: 0.36s; }
.hero-copy > :nth-child(5) { animation-delay: 0.42s; }
@keyframes rise-in { from { opacity: 0; transform: translateY(26px); filter: blur(10px); } to { opacity: 1; transform: none; filter: none; } }

/* o copiloto falando: um cartão de vidro com o callout da vez */
.live { position: absolute; right: var(--gutter); bottom: clamp(150px, 24vh, 250px); width: min(330px, 34vw); padding: 16px 20px 18px; animation: rise-in 1.1s var(--ease) both 0.6s; }
.live-head { display: flex; align-items: center; gap: 8px; margin: 0 0 6px; color: var(--muted); font-size: 0.85rem; font-weight: 600; }
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: #3ddc84; }
.live.you .live-dot { background: var(--blue); }
.live.you .live-text { color: var(--blue); }
.live-text { margin: 0; font-size: clamp(1.4rem, 2.4vw, 2rem); font-weight: 700; letter-spacing: -0.02em; line-height: 1.1; }
.live-text.swap { animation: rise-in 0.5s var(--ease) both; }
.wave { display: inline-flex; align-items: center; gap: 2px; height: 14px; margin-left: auto; }
.wave i { width: 3px; height: 4px; border-radius: 2px; background: currentColor; opacity: 0.7; }
.live.talking .wave i { animation: wave 0.9s ease-in-out infinite; }
.live.talking .wave i:nth-child(2) { animation-delay: 0.12s; }
.live.talking .wave i:nth-child(3) { animation-delay: 0.24s; }
.live.talking .wave i:nth-child(4) { animation-delay: 0.36s; }
.live.talking .wave i:nth-child(5) { animation-delay: 0.48s; }
@keyframes wave { 0%, 100% { height: 4px; } 50% { height: 14px; } }

/* os números do produto, numa faixa de vidro no pé da abertura */
.proof { position: absolute; left: var(--gutter); right: var(--gutter); bottom: clamp(20px, 4vh, 44px); display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; margin: 0; padding: 0; list-style: none; animation: rise-in 1.1s var(--ease) both 0.7s; }
.proof li { display: flex; align-items: baseline; gap: 10px; padding: 12px 16px; border-radius: 18px; background: var(--glass-sheen), rgba(18, 22, 29, 0.42); -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur); border: 1px solid var(--glass-edge); box-shadow: inset 0 1px 0 var(--glass-hi); }
.proof b { font-size: clamp(1.3rem, 2.2vw, 1.9rem); letter-spacing: -0.03em; }
.proof span { color: var(--muted); font-size: 0.88rem; line-height: 1.25; }

/* seções */
.sec { position: relative; padding: clamp(96px, 15vh, 180px) var(--gutter); }
.sec-head { max-width: 1180px; margin: 0 auto clamp(36px, 6vh, 64px); }
.sec-copy h2 { margin-bottom: 4px; }

/* por que */
.why-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; max-width: 1180px; margin: 0 auto; }
.why-grid article { display: grid; align-content: start; gap: 12px; min-height: 240px; padding: 28px 24px; }
.why-grid p { margin: 0; color: var(--muted); }
.why-n { font-family: var(--avionic); font-weight: 700; font-size: 0.9rem; color: var(--blue); }
.why { background: radial-gradient(1200px 600px at 80% 0%, rgba(0, 119, 192, 0.18), rgba(0, 0, 0, 0) 60%), #000; }

/* voz e MCDU: texto e um aparelho lado a lado */
.voice, .mcdu-sec { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); align-items: center; gap: clamp(40px, 6vw, 110px); max-width: 1320px; margin: 0 auto; }
.mcdu-sec { grid-template-columns: minmax(0, 0.9fr) minmax(0, 1fr); }
.device-wrap { perspective: 1400px; }
.device { position: relative; transform-style: preserve-3d; will-change: transform; border-radius: 26px; }
.pfd-device { padding: clamp(14px, 2vw, 22px); }
.pfd-host svg { display: block; width: 100%; height: auto; border-radius: 14px; }
.callouts { display: grid; gap: 6px; min-height: 9.4em; margin: 18px 4px 2px; padding: 0; list-style: none; }
.callouts li { display: flex; align-items: baseline; gap: 12px; font-weight: 600; font-size: clamp(1.02rem, 1.6vw, 1.3rem); animation: rise-in 0.45s var(--ease) both; }
.callouts li small { flex: none; min-width: 7.5em; color: var(--faint); font-weight: 600; font-size: 0.72em; }
.callouts li.you { color: var(--blue); }
.callouts li.you small { color: rgba(56, 182, 255, 0.72); }
.play-ico { width: 0; height: 0; border-style: solid; border-width: 7px 0 7px 12px; border-color: transparent transparent transparent currentColor; }
.play.is-playing .play-ico { width: 12px; height: 14px; border: 0; border-left: 4px solid currentColor; border-right: 4px solid currentColor; }
.play { margin-top: 30px; }

/* a janela do controle sobre a foto real das manetes */
.lens-sec { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr); align-items: center; gap: clamp(32px, 5vw, 90px); max-width: 1320px; margin: 0 auto; }
.lens-photo { position: relative; aspect-ratio: 4 / 3; border-radius: 30px; overflow: hidden; background: #0b0e12; box-shadow: 0 50px 100px -50px #000; }
.lens-photo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 46% 20%; transform: scale(1.35); transform-origin: 46% 20%; }
.lens-mock { position: absolute; left: 50%; bottom: 22px; transform: translateX(-50%); width: min(560px, calc(100% - 32px)); padding: 16px 18px; background: var(--glass-sheen), rgba(12, 15, 20, 0.72); }
.lm-who { margin: 0; color: var(--blue); font-size: 0.82rem; font-weight: 600; }
.lm-name { margin: 2px 0 12px; font-size: 1.15rem; font-weight: 600; letter-spacing: -0.02em; }
.lm-opts { display: flex; flex-wrap: wrap; gap: 6px; }
.lm-opts span { flex: 1 1 auto; min-width: 64px; padding: 10px 12px; border-radius: 999px; text-align: center; background: rgba(255, 255, 255, 0.08); box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08); color: rgba(255, 255, 255, 0.8); font: 700 0.8rem/1.2 var(--avionic); }
.lm-opts span.on { background: var(--btn-blue); color: #fff; }

/* O VOO INTEIRO */
.story { position: relative; height: 560vh; height: 560svh; background: #000; }
.story-stage { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; }
.shots { position: absolute; inset: 0; }
.shot { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 60%; opacity: 0; will-change: transform, opacity; }
.shot:first-child { opacity: 1; }
/* nuvem e final: fotos tiradas em 16:9 e esticadas para a proporção da cabine; aqui voltam ao 16:9 delas e cobrem a
   tela com o mesmo enquadramento das outras (o miolo da cabine, sem botão oval) */
.shot.is-169, .final-img.is-169 { inset: auto; left: 50%; top: 60%; width: max(100%, calc(100vh * 1.777)); width: max(100%, calc(100svh * 1.777)); height: auto; aspect-ratio: 1.777; object-fit: fill; translate: -50% -60%; }
.story-shade { position: absolute; inset: 0; background: linear-gradient(0deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0) 45%); pointer-events: none; }
/* títulos em vidro: legíveis sobre a foto clara do portão */
.story-head { position: absolute; left: var(--gutter); top: clamp(96px, 16vh, 170px); max-width: min(760px, calc(100% - 2 * var(--gutter))); padding: 22px 26px 24px; background: var(--glass-sheen), rgba(10, 13, 18, 0.62); will-change: opacity, transform; }
.story-copy { position: absolute; left: var(--gutter); bottom: clamp(64px, 12vh, 130px); max-width: min(620px, calc(100% - 2 * var(--gutter))); display: grid; gap: 6px; padding: 20px 24px; background: var(--glass-sheen), rgba(10, 13, 18, 0.62); }
.story-n { font-family: var(--avionic); font-weight: 700; font-size: clamp(0.95rem, 1.5vw, 1.1rem); color: var(--blue); letter-spacing: 0.08em; }
.story-name { font-weight: 700; font-size: clamp(1.8rem, 4.4vw, 3.4rem); letter-spacing: -0.03em; line-height: 1; }
.story-line { color: var(--muted); font-size: clamp(1rem, 1.5vw, 1.2rem); }
.story-copy.swap > * { animation: rise-in 0.6s var(--ease) both; }
.story-copy.swap > :nth-child(2) { animation-delay: 0.05s; }
.story-copy.swap > :nth-child(3) { animation-delay: 0.1s; }
.story-rail { position: absolute; left: var(--gutter); right: var(--gutter); bottom: clamp(28px, 5vh, 56px); height: 3px; border-radius: 3px; background: rgba(255, 255, 255, 0.16); overflow: hidden; }
.story-rail i { display: block; height: 100%; width: 100%; background: var(--blue); transform-origin: 0 50%; transform: scaleX(0); }

/* MCDU de foto */
.mcdu-device { max-width: 440px; margin: 0 auto; }
#mcdu-host .mcdu-photo { box-shadow: 0 60px 120px -40px rgba(0, 0, 0, 0.95); }
.try { margin: 22px 0 0; max-width: 36ch; color: var(--ink); font-weight: 600; font-size: 1.05rem; }
.try.ok { color: var(--blue); }

/* degraus */
.levels { max-width: 1180px; margin: 0 auto; padding-left: var(--gutter); padding-right: var(--gutter); }
.level-list { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin: 0; padding: 0; list-style: none; }
.level-list li { display: grid; align-content: start; gap: 10px; min-height: 220px; padding: 26px 22px; }
.level-list b { font-size: clamp(1.4rem, 2.2vw, 1.9rem); letter-spacing: -0.02em; }
.level-list span:last-child { color: var(--muted); }
.lv-n { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: rgba(56, 182, 255, 0.14); color: var(--blue); font-weight: 700; font-family: var(--avionic); }
.level-list li:last-child { background: var(--glass-sheen), rgba(0, 92, 150, 0.32); }

/* manual */
.manual { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 0.8fr); align-items: center; gap: clamp(40px, 6vw, 100px); max-width: 1180px; margin: 0 auto; }
.why-card { margin: 0; padding: 30px 30px 26px; }
.why-step { display: flex; align-items: center; gap: 12px; margin: 0 0 14px; font-size: 1.7rem; font-weight: 700; }
.why-i { display: inline-grid; place-items: center; width: 26px; height: 26px; border: 2px solid var(--muted); border-radius: 50%; color: var(--muted); font: 700 0.85rem/1 var(--font); }
.why-text { margin: 0; font-size: 1.25rem; line-height: 1.45; }
.why-src { margin-top: 18px; color: var(--blue); font-family: var(--avionic); font-weight: 700; font-size: 0.9rem; letter-spacing: 0.06em; }

/* panes e aulas */
.more-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; max-width: 1180px; margin: 0 auto; }
.more-card { overflow: hidden; display: grid; grid-template-rows: auto 1fr; }
.more-card img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.more-card div { padding: 22px 24px 26px; }
.more-card p { margin: 10px 0 0; color: var(--muted); }

/* planos */
.plan-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; max-width: 900px; margin: 0 auto; }
.plan { display: grid; align-content: start; gap: 8px; padding: 30px 28px; }
.plan h3 { color: var(--muted); font-size: 1.05rem; letter-spacing: 0; }
.price { margin: 4px 0 0; font-size: clamp(2.2rem, 4vw, 3rem); font-weight: 700; letter-spacing: -0.04em; line-height: 1; }
.price-alt { margin: 0; color: var(--muted); }
.plan ul { display: grid; gap: 10px; margin: 18px 0 24px; padding: 0; list-style: none; }
.plan li { position: relative; padding-left: 26px; }
.plan li::before { content: ""; position: absolute; left: 0; top: 0.45em; width: 14px; height: 8px; border-left: 2px solid var(--blue); border-bottom: 2px solid var(--blue); transform: rotate(-45deg); }
.plan-pro { background: var(--glass-sheen), rgba(0, 92, 150, 0.3); border-color: rgba(56, 182, 255, 0.35); }
.plan-note { margin: 12px 0 0; color: var(--faint); font-size: 0.88rem; }

/* perguntas */
.faq-list { display: grid; gap: 10px; max-width: 900px; margin: 0 auto; }
.faq-list details { padding: 0; border-radius: 20px; }
.faq-list summary { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 20px 24px; list-style: none; cursor: pointer; font-weight: 600; font-size: 1.08rem; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: ""; flex: none; width: 9px; height: 9px; border-right: 2px solid var(--muted); border-bottom: 2px solid var(--muted); transform: rotate(45deg); transition: transform 0.25s var(--ease); }
.faq-list details[open] summary::after { transform: rotate(-135deg); }
.faq-list details p { margin: 0; padding: 0 24px 22px; color: var(--muted); }

/* fim */
.final { position: relative; height: 100vh; height: 100svh; overflow: hidden; }
.final-stage { position: absolute; inset: 0; }
.final-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 60%; will-change: transform; }
.final-shade { position: absolute; inset: 0; background: linear-gradient(0deg, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.2) 55%, rgba(0, 0, 0, 0.45) 100%); }
.final-copy { position: absolute; left: var(--gutter); right: var(--gutter); bottom: clamp(60px, 14vh, 150px); }
.final-copy .btn { margin-top: 28px; }

.foot { padding: 64px var(--gutter) 56px; color: var(--faint); font-size: 0.9rem; text-align: center; border-top: 1px solid var(--line); }
.foot p { margin: 6px 0; }
.foot-logo { height: 56px; width: auto; margin: 0 auto 14px; }
.foot-by { color: var(--muted); font-weight: 600; }
.foot a { color: var(--muted); }
.foot .langs { margin: 18px auto 4px; }

/* aparece ao entrar na tela */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

@media (max-width: 1080px) {
  .nav-links { display: none; }
  .why-grid, .level-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .live { display: none; }
}
@media (max-width: 860px) {
  .voice, .mcdu-sec, .manual, .lens-sec { grid-template-columns: minmax(0, 1fr); }
  .mcdu-sec .device-wrap { order: 2; }
  .proof { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .more-grid, .plan-grid { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .nav { top: 8px; width: calc(100% - 16px); gap: 8px; padding: 6px 6px 6px 12px; }
  .brand-wing { width: 28px; height: 28px; }
  .brand-name { font-size: 1rem; }
  .nav-link, .nav .langs { display: none; }
  .nav .btn.small { white-space: nowrap; padding: 8px 14px; }
  /* no celular a abertura não prende a rolagem: a foto, o título e o conteúdo logo depois */
  .hero { height: auto; }
  .hero-stage { position: relative; height: 100svh; min-height: 640px; }
  .hero-sky, .hero-cockpit { object-position: 38% 60%; }
  .hero-copy { bottom: 36px; }
  /* os números ficam na seção de baixo: na abertura do celular não cabem junto com o texto */
  .proof { display: none; }
  .hero-by img { height: 36px; }
  .hero-copy .cta-row .btn { flex: 1 1 100%; }
  .proof { bottom: 16px; gap: 6px; }
  .proof li { padding: 10px 12px; flex-direction: column; gap: 0; }
  .proof b { font-size: 1.25rem; }
  .proof span { font-size: 0.78rem; }
  .why-grid, .level-list { grid-template-columns: minmax(0, 1fr); }
  .why-grid article, .level-list li { min-height: 0; }
  .story { height: 420svh; }
  .story-head { right: var(--gutter); padding: 16px 18px; }
  .story-copy { right: var(--gutter); padding: 16px 18px; }
  .lens-photo { aspect-ratio: 3 / 4; }
  .lens-photo img { object-position: 46% 18%; transform: scale(1.9); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-copy > *, .live, .proof, .story-copy.swap > *, .callouts li, .live-text.swap { animation: none; }
  .live.talking .wave i { animation: none; }
}
@media (prefers-reduced-transparency: reduce) {
  .glass-card, .nav, .btn.glass, .langs, .proof li { background: #12161c; -webkit-backdrop-filter: none; backdrop-filter: none; }
}